Παραπομπή σε μορφή APA (7η εκδ.)

Chang, R. S. (1980). Generalized ray tracing, generalized bending, and use of caustic surfaces as merit functions in optical design.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Chang, Rong Seng. Generalized Ray Tracing, Generalized Bending, and Use of Caustic Surfaces as Merit Functions in Optical Design. 1980.

Παραπομπή σε μορφή MLA (9th εκδ.)

Chang, Rong Seng. Generalized Ray Tracing, Generalized Bending, and Use of Caustic Surfaces as Merit Functions in Optical Design. 1980.